Frasier's Mother: [Referring to Diane.] I understand you used to date that woman.Sam Malone: That's right.Frasier's Mother: How much would it take to start things up again?Sam Malone: You don't have enough money.Frasier's Mother: How do you know?Sam Malone: There isn't enough money.

At closing time, Cliff, Norm and Woody spontaneously decide to go to Cliff's house. Sam then enters the bar after his date at Melville's. Later in the scene, Rebecca asks Sam about the 'Three Stooges', to which Sam sarcastically replies that they went to Cliff's house. But how could he possibly know that since he entered the scene after they had already left.